Story-Part 2 & 3

Part 2--出国一年，回来时妈妈已患上老年痴呆，迷迷糊糊，不认人。
chū guó yī nián, huí lái shí mā mā yǐ huàn shàng lǎo nían chī dāi,mí mí hū hū,bú rèn rén.
[When i come back after a year of going abroad,mother has had Alzheimer's Disease,difficult to make out anyone.]

Coming back from a year living overseas, my mother had contracted （这是“患上”直接翻译成的英文字）Alzheimer's Disease, and could not recognise anyone. （"make out" 是英文俚语里的编译词，可能指的是与其他人亲热！所以使用 “recognise" 不单单是直接从英语翻译，也是比较适当的翻译）

我走到床边看她时，她竟忽然冲我笑了。说：“你胖了。”
wǒ zǒu dào chuáng bīan kàn tā shí,tā jìng hū rán chòng wǒ xiào le, shuō:"nǐ pàng le."
[When i visited her at her bedside, she said suddenly with a smile to me ,you increased weight.]

When I visited her at her bedside, she suddenly said with a smile, to me, "you gained weight" (谈到体重英文使用 "gain" 而不是 "increase" ）

Part 3--今天做火车，两个老婆婆坐在我身边，其中一个是来送另一个的，
jīn tīan zuò huǒ chē , lǐang gè lǎo pó pó zuò zài wǒ shēn biān, qí zhōng yī gè shì lái sòng lìng yī gè de,
[When i was taking the train today,there was two old women sitting by my side.One of them was to send another.]

When I was taking the train today, there were two old women sitting by my side. One of them was coming to send the other off.

两人双手拉在一起不停念叨着。
liǎng rén shuāng shǒu lā zài yī qǐ bù tíng niàn dāo zhe.
[Two old women hold hands and keep talking all the time.]

Both of them held hands and would not stop talking.

要发车了，一个老婆婆下车，回头说了句话：
yào fā chē le, yí gè lǎo pó pó xìa chē,
[When the train was going to set off,one of them got off and turned her head to say,
“姐啊，今年我89岁，你90岁，这是我们这辈子最后一次见面了....”
huí tóu shuō le jù huà:"jǐe a,jīn nían wǒ 89 suì, nǐ 90 suì,zhè shì wǒ mén zuì hòu yí cì jiàn miàn le..."
[my dear elder sister,i was 89 years old this year, you were 90 years old. This was our last meeting in our life.]

When the train was about to set off, one of them got off and turned her head to say, "My dear elder sister, this year I am 89, while you are 90, and this will be the last meeting we have in our lives." （因为指的是现在所发生的事故，说到两位的岁数时运用 present tense,而不是 past tense。 最后一次见面也因此运用 future tense， 因为两人还未分散。)